Interplay of Amygdala and Cingulate Plasticity in Emotional Fear
Author Information
Author(s): Hiroki Toyoda, Li Xiang-Yao, Wu Long-Jun, Zhao Ming-Gao, Descalzi Giannina, Chen Tao, Koga Kohei, Zhuo Min
Primary Institution: University of Toronto
Hypothesis
Certain forms of synaptic plasticity may occur within the cortex while synaptic potentiation takes place within synapses in the hippocampus and amygdala.
Conclusion
The study suggests that understanding fear-related synaptic plasticity in the cortex and its connectivity with the amygdala and hippocampus can improve clinical treatment of emotional disorders.
Supporting Evidence
- The amygdala is critical for emotional fear and synaptic plasticity is believed to be the basis of fear memory.
- Changes in synaptic strength in the anterior cingulate cortex are involved in fear learning and memory.
- Neuronal activity in the amygdala and ACC changes in response to threatening stimuli.
Takeaway
This study looks at how different parts of the brain work together to help us remember fear, which can help treat people with emotional problems.
Methodology
The study reviews recent evidence and animal studies on synaptic plasticity in the amygdala and anterior cingulate cortex related to fear learning and memory.
Digital Object Identifier (DOI)
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